Renison Goldfields Consolidated Limited, Pine Creek Project. Groundwater Investigation Stage 2, Establishment of Borefield and Management Studies. Report H114/3-AA.
Coffey & Partners Pty Ltd
E-Publications; E-Books; PublicationNT; Report no. 87/1984
1983-11-01
Date:1983-11
English
Northern Territory Government
Darwin
Report no. 87/1984
application/pdf
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
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https://hdl.handle.net/10070/228435
https://hdl.handle.net/10070/674167
Technical Report WRD84087 Viewed at 14:07:14 on 29/07/2010 Page 94 of 167. I ~ I I I I I I I I I I I I I " I . ~ I ; , -3 POSSIBLE EFFECTS OF MINING DEVELOPMENT ON WATER SOURCES (a) Current Borefield Development Availal , oore f i cd c1 jrnrnedintc this ridge borefi81(1. dClta indicates ar~a originates south-west. The system, although that recharge to the present from the ridge area to the proposed mine is sitnated in not illU11cdiately adjt1ccnt t.o the The poe~ibility that dewatering of the mine pit could adversely affect the groundwater regime in the boreEield !Ireft, or that in the long term the system could be polluted, cannot be ruled out. It is possible that a replacement source would have 10 be developed. (b) Alternative Groundwater Sources \'hi1e the potenti.al source 5 km north of the township is unlikely to be affected by any mining at Fine Creek, the site 3 km south is nearby the proposed overburden dump and cllte)"flative t.ailings dam areas and would be at risk from grollndwater pollution. (c) Pint:> Creek Damsi te The t tIC preferrr,d catchment .Jreil itself. tailings area.. and dam si.t.e is partially si tllateci ","'holly withjn within the impoundment J t the dam wrre to proceed, t he tailings dam could not be located wi' hin the catchment. Even if the dam is not d,)veloped to meet the proje('t requirements, it cannot be ruled out as a possible futUl, o[)tion. Given that location of the tai lings dam within the catchment would probably preclude thjs option, the use of an alternative site outside the catchment would be preferred, if not required IJY Water Division. The possibi II ty vlci ni 'y of c-onsideration . that the future dam's mining may abutments take place in the also requirees (J) Copperfield Creek Damsite While the proposed overburden dump and alternative tailings <:lumps are located in the Copperfield Creek catchment, tile dilmsite itself is well upstream of the area and would not be affected by mining activities. 7:DY2